Android Open Source - Avatar Photo Picker Adapter

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.syw.avatar;
/*ww w. java  2s.  co  m*/
import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ToggleButton;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.syw.avatar.util.ThumbnailsUtil;

public class PhotoPickerAdapter extends BaseAdapter{
//    private static final String TAG = PhotoPickerAdapter.class.getSimpleName();
            
    protected ImageLoader imageLoader = ImageLoader.getInstance();
    
    private Context mContext;
  private List<PhotoInfo> dataList;

  public PhotoPickerAdapter(Context c, List<PhotoInfo> dataList) {

    mContext = c;
    this.dataList = dataList;
  }
  
  @Override
  public int getCount() {
    return dataList.size();
  }

  @Override
  public Object getItem(int position) {
    return dataList.get(position);
  }

  @Override
  public long getItemId(int position) {
    return position;
  }

  /**
   * ???????????
   */
  private class ViewHolder {
    public ImageView imageView;
    public ToggleButton tgButton;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder viewHolder;
    if (convertView == null) {
      viewHolder = new ViewHolder();
      convertView = LayoutInflater.from(mContext).inflate(R.layout.grid_item_img, parent, false);
      viewHolder.imageView = (ImageView) convertView.findViewById(R.id.image_view);
      viewHolder.tgButton = (ToggleButton) convertView.findViewById(R.id.toggle_button);
    } 
    else {
      viewHolder = (ViewHolder) convertView.getTag();
    }
    
    PhotoInfo item = null;
    if (dataList != null && dataList.size() > position){
      item = dataList.get(position);
    }
    if (item == null) {
      viewHolder.imageView.setImageResource(R.drawable.defaultpic);
    }
    else {
        String displayItemUri = ThumbnailsUtil.MapgetHashValue(item.getImageId(),item.getPathFile());
        imageLoader.displayImage(displayItemUri, viewHolder.imageView);
    }
    
        viewHolder.tgButton.setVisibility(View.GONE);
        convertView.setTag(viewHolder);

        return convertView;
  }

}

Java Source Code List